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Marquise|Lab Grown|IGI

1.40ct G VVS1 Marquise Lab Grown Diamond

ID • G/VVS1 • IGI LG797685407

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG797685407

Diamond specifications and retailer prices

From €428 EUR
As of November 6, 2026
Save €566 EUR (57%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €994 EUR at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.4ct lab-grown marquise diamond

This 1.4ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG797685407 or 797685407. Listed at 2 retailers as of November 6, 2026, with prices from €428 to €994, a €566 spread on the same certified stone. Brilliant Earth lists it at €994. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797685407
Dimensions11.14 × 5.93 × 3.73 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.14 mm5.93 mm1.40 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797685407
Side View
Table 60.0%Crown 35.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: €994 EUR|Low: €357 EUR|High: €1,044 EUR|Avg: €628 EUR|-2.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6€357 EUR
Retailer 3€366 EUR
Retailer 2€428 EUR
Retailer 7€435 EUR
Retailer 4€646 EUR
Retailer 5€749 EUR
Brilliant Earth€994 EUR
Retailer 8€1,044 EUR

39 data points across 8 retailers

2 retailers€428 EUR to €994 EUR

A
Cheapest Retailer
-
€428 EUR
Most Expensive
B
Brilliant Earth
19402259A · Nov 6
€994 EUR
$1,110 USD
View
1 more retailer has this diamond
Prices start from €428 EURSave up to €566 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.40ct Marquise
€428 EUR